'non-free component' value from 'non-free' to 'non-free non-free-firmware'

Just started getting this:

Reading package lists... Done
N: Repository 'Debian bookworm' changed its 'non-free component' value from 'non-free' to 'non-free non-free-firmware'
N: More information about this can be found online in the Release notes at: https://www.debian.org/releases/bookworm/m68k/release-notes/ch-information.html#non-free-split


Going to the web page referenced results in a "Page not found" error...


My sources.list:

deb http://ftp.ports.debian.org/debian-ports/ sid main contrib non-free
deb http://ftp.ports.debian.org/debian-ports/ unreleased main contrib non-free
deb-src http://ftp.debian.org/debian/ unstable main contrib non-free